/*
 * This file is part of aion-unique <aion-unique.org>.
 *
 *  aion-unique is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  aion-unique is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with aion-unique.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.aionengine.gameserver.world.zone;

import com.aionengine.gameserver.model.gameobjects.Creature;
import com.aionengine.gameserver.model.gameobjects.player.Player;
import com.aionengine.gameserver.model.geometry.Area;
import com.aionengine.gameserver.model.templates.zone.ZoneClassName;
import com.aionengine.gameserver.model.templates.zone.ZoneInfo;
import com.aionengine.gameserver.model.templates.zone.ZoneTemplate;
import com.aionengine.gameserver.world.World;
import com.aionengine.gameserver.world.zone.handler.AdvencedZoneHandler;
import com.aionengine.gameserver.world.zone.handler.ZoneHandler;
import javolution.util.FastMap;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;

/**
 * @author ATracer
 */
public class ZoneInstance implements Comparable<ZoneInstance> {

    private ZoneInfo template;
    private int mapId;
    private Map<Integer, Creature> creatures = new FastMap<Integer, Creature>();
    protected List<ZoneHandler> handlers = new ArrayList<ZoneHandler>();

    public ZoneInstance(int mapId, ZoneInfo template) {
        this.template = template;
        this.mapId = mapId;
    }

    /**
     * @return the template
     */
    public Area getAreaTemplate() {
        return template.getArea();
    }

    /**
     * @return the template
     */
    public ZoneTemplate getZoneTemplate() {
        return template.getZoneTemplate();
    }

    public boolean revalidate(Creature creature) {
        return (mapId == creature.getWorldId() && template.getArea().isInside3D(creature.getX(), creature.getY(), creature.getZ()));
    }

    public synchronized boolean onEnter(Creature creature) {
        if (creatures.containsKey(creature.getObjectId()))
            return false;
        creatures.put(creature.getObjectId(), creature);
        if (creature instanceof Player)
            creature.getController().onEnterZone(this);
        for (int i = 0; i < handlers.size(); i++)
            handlers.get(i).onEnterZone(creature, this);
        return true;
    }

    public synchronized boolean onLeave(Creature creature) {
        if (!creatures.containsKey(creature.getObjectId()))
            return false;
        creatures.remove(creature.getObjectId());
        creature.getController().onLeaveZone(this);
        for (int i = 0; i < handlers.size(); i++)
            handlers.get(i).onLeaveZone(creature, this);
        return true;
    }

    public boolean onDie(Creature attacker, Creature target) {
        if (!creatures.containsKey(target.getObjectId()))
            return false;
        for (int i = 0; i < handlers.size(); i++) {
            ZoneHandler handler = handlers.get(i);
            if (handler instanceof AdvencedZoneHandler) {
                if (((AdvencedZoneHandler) handler).onDie(attacker, target, this))
                    return true;
            }
        }
        return false;
    }

    public boolean isInsideCreature(Creature creature) {
        return creatures.containsKey(creature.getObjectId());
    }

    public boolean isInsideCordinate(float x, float y, float z) {
        return template.getArea().isInside3D(x, y, z);
    }

    @Override
    public int compareTo(ZoneInstance o) {
        int result = getZoneTemplate().getPriority() - o.getZoneTemplate().getPriority();
        if (result == 0) {
            return template.getZoneTemplate().getName().id() - o.template.getZoneTemplate().getName().id();
        }
        return result;
    }

    public void addHandler(ZoneHandler handler) {
        this.handlers.add(handler);
    }

    public boolean canFly() {
        if (template.getZoneTemplate().getFlags() == -1 || template.getZoneTemplate().getFlags() == 0 || World.getInstance().getWorldMap(mapId).hasOverridenOption(ZoneAttributes.FLY))
            return World.getInstance().getWorldMap(mapId).isPossibleFly();
        return (template.getZoneTemplate().getFlags() & ZoneAttributes.FLY.getId()) != 0;
    }

    public boolean canGlide() {
        if (template.getZoneTemplate().getFlags() == -1 || template.getZoneTemplate().getFlags() == 0 || World.getInstance().getWorldMap(mapId).hasOverridenOption(ZoneAttributes.GLIDE))
            return World.getInstance().getWorldMap(mapId).canGlide();
        return (template.getZoneTemplate().getFlags() & ZoneAttributes.GLIDE.getId()) != 0;
    }

    public boolean canPutKisk() {
        if (template.getZoneTemplate().getFlags() == -1 || template.getZoneTemplate().getFlags() == 0 || World.getInstance().getWorldMap(mapId).hasOverridenOption(ZoneAttributes.BIND))
            return World.getInstance().getWorldMap(mapId).canPutKisk();
        return (template.getZoneTemplate().getFlags() & ZoneAttributes.BIND.getId()) != 0;
    }

    public boolean canRecall() {
        if (template.getZoneTemplate().getFlags() == -1 || template.getZoneTemplate().getFlags() == 0 || World.getInstance().getWorldMap(mapId).hasOverridenOption(ZoneAttributes.RECALL))
            return World.getInstance().getWorldMap(mapId).canRecall();
        return (template.getZoneTemplate().getFlags() & ZoneAttributes.RECALL.getId()) != 0;
    }

    public boolean canRide() {
        if (template.getZoneTemplate().getFlags() == -1 || template.getZoneTemplate().getFlags() == 0 || World.getInstance().getWorldMap(mapId).hasOverridenOption(ZoneAttributes.RIDE))
            return World.getInstance().getWorldMap(mapId).canRide();
        return (template.getZoneTemplate().getFlags() & ZoneAttributes.RIDE.getId()) != 0;
    }

    public boolean canFlyRide() {
        if (template.getZoneTemplate().getFlags() == -1 || template.getZoneTemplate().getFlags() == 0 || World.getInstance().getWorldMap(mapId).hasOverridenOption(ZoneAttributes.FLY_RIDE))
            return World.getInstance().getWorldMap(mapId).canFlyRide();
        return (template.getZoneTemplate().getFlags() & ZoneAttributes.FLY_RIDE.getId()) != 0;
    }

    public boolean isPvpAllowed() {
        if (template.getZoneTemplate().getZoneType() != ZoneClassName.PVP)
            return World.getInstance().getWorldMap(mapId).isPvpAllowed();
        return (template.getZoneTemplate().getFlags() & ZoneAttributes.PVP_ENABLED.getId()) != 0;
    }

    public boolean isSameRaceDuelsAllowed() {
        if (template.getZoneTemplate().getZoneType() != ZoneClassName.DUEL || template.getZoneTemplate().getFlags() == 0
                || World.getInstance().getWorldMap(mapId).hasOverridenOption(ZoneAttributes.DUEL_SAME_RACE_ENABLED))
            return World.getInstance().getWorldMap(mapId).isSameRaceDuelsAllowed();
        return (template.getZoneTemplate().getFlags() & ZoneAttributes.DUEL_SAME_RACE_ENABLED.getId()) != 0;
    }

    public boolean isOtherRaceDuelsAllowed() {
        if (template.getZoneTemplate().getZoneType() != ZoneClassName.DUEL || template.getZoneTemplate().getFlags() == 0
                || World.getInstance().getWorldMap(mapId).hasOverridenOption(ZoneAttributes.DUEL_OTHER_RACE_ENABLED))
            return World.getInstance().getWorldMap(mapId).isOtherRaceDuelsAllowed();
        return (template.getZoneTemplate().getFlags() & ZoneAttributes.DUEL_OTHER_RACE_ENABLED.getId()) != 0;
    }

    public int getTownId() {
        return template.getZoneTemplate().getTownId();
    }

    /**
     * @return the creatures
     */
    public Map<Integer, Creature> getCreatures() {
        return creatures;
    }
}
